Fuel oil at ¥4,922/t (+2.29%) was today’s sole commodity to breach +2%—the highest among all 13 bulk products. Brent ($112.83, -0.30%) and WTI ($99.19, -0.28%) both declined, yet fuel oil diverged sharply—confirming the driver has shifted from global crude fundamentals to domestic import quota enforcement. Customs General Administration data (Oct 18) shows Q4 fuel oil quota utilization reached 89%; average clearance time at key ports (Shanghai/Ningbo/Guangzhou) extended by 1.8 working days vs. September. The newly effective ‘Guidance on Authenticity Verification for Offshore Re-sales (Trial)’ Article 7 mandates triple-document alignment (B/L, warehouse receipt, payment proof) plus on-chain logistics traceability—raising per-transaction verification time by 2.3 hours and compliance cost by ¥115/ton. This pressure hit physical markets directly: Zhoushan bonded fuel oil inventory fell 3.6% w/w; on SNSUC’s platform, 68% of offshore fuel oil orders now require blockchain receipts + ESG carbon reports (vs. 41% monthly avg in Sep). Asphalt at ¥4,543/t (+1.00%) followed but with muted momentum—validating quota pressure is tiered: fuel oil benefits from refinery blending demand and bonded bunkering rigidity, while asphalt does not. Natural rubber (-0.23%) and butadiene rubber (+1.63%) spread widened to ¥3,690/t—evidence that quota squeeze is spilling into synthetics: natural rubber relies on quotas; butadiene rubber is domestically produced, gaining substitution tailwind. USD/CNY flat at 6.6748 rules out FX distortion—fuel oil’s CNY gain is pure quota premium. View: Bullish near-month fuel oil. ¥4,950/t is next resistance if quota release lags; ¥4,820–4,860 is likely floor if remaining Q4 quota is allocated in early Nov. Action for SNSUC clients: Lock offshore re-sale positions for Nov 1–15 immediately; use blockchain receipts + ESG carbon reports to cut customs clearance by 1.4 days.